Frame for operation button of elevator



FIG. 1 is a perspective view of front, right and top plan side of a frame for operation button of elevator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is an end view of cutting part at 8-8 in FIG. 2 omitting the interior mechanism; and,

FIG. 9 is a front reference view of usage.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a frame for operation button of elevator, as shown and described. 